(2-chlorophenyl)methanesulfonyl chloride(2-Chloro-phenyl)-methanesulfonyl chloride(2-氯苯基)甲基磺酰氯2-Chloro-α-toluenesulfonyl chloride2-Chlorobenzenemethanesulfonyl chloride2-Chlorobenzylsulfonyl chloride(2-Chlorophenyl)methanesulfonyl chloride2-氯-α-甲苯磺酰氯2-氯苯甲磺酰氯2-氯苯基甲烷磺酰氯